选用

On the basis of observation on the denucleation process of mammalian erythroid cells in vito and in vitro, the present study was designed to investigate the regulatory effect and its mechanism of mammalian erythroblast cytoplasmic factor on malignant phenotype and gene expression of hybrid cells formed by cellular engineering fechnique of cell hybridization between the mouse plasmocytomas SP (2/0) cell line and rat erythroblasts.

本研究选用正常大鼠中幼、晚幼成红细胞与小鼠浆细胞瘤（SP2/0）细胞进行异种细胞杂交，研究哺乳动物红细胞胞质因子对肿瘤细胞恶性调控的效应及其机制。

The penalty function is adopted to impose the essential boundary condition, the tensor product weight function with a rectangular influence domain is chosen, and the finite element background cell is considered as the integration unit.

将无网格再生核质点法用于刚塑性可压缩材料轧制过程的模拟，采用罚函数满足本质边界条件，选用矩形影响域的张量积核函数，利用有限元网格作为积分单元，对求解域内和边界上采用不同的高斯积分方案。

The system employs conventional configuration of parallel plate reactive ion etcher. This equipment, with good performance/price ratio, is anticipated to obtain more desirable etching resolution and profile, because the system design is optimized reasonably and high-quality assemblies have been chosen.

该系统采用常规的平板形反应离子刻蚀结构，由于设计方案经过合理优化，且系统选用高质量的精密零部件，系统预期可以实现较高的刻蚀分辨率和较好的刻蚀形貌，具有良好的性价比。

In this experiment, ethanolamine and glycol are used as the auxiliary grinding agent and are added with certain amount separately.

本实验选用三乙醇胺和乙二醇作为水泥助磨剂，分别以设定掺量加入。

This article provided a new route to produce 4-dimethoxy phenethylamine. In basic condition, the product could be obtained through etherization, bromation, Grignard reaction, hydroxyethylation, esterification and Gabriel reaction with phenol as raw material, the overall yield is 45.0%.

提出了合成4-甲氧基苯乙胺的新方法，即在碱性条件下，苯酚首先与硫酸二甲酯反应，再选用高选择性的溴化剂溴化后，经格氏反应、羟乙基化反应和酯化反应，最后经Gabriel反应可以制备目标产物，反应总收率为45.0%。

And the operational condition was as follows: 100-200 mesh silica gel to be the stationary phase, solvent system of methlene chloride: ethyl acetate: ethanol = 80:35:5 to be the eluent, the flow rate of the eluent to be 2.0 mL/min, the feeding concentration of pristinamycins to be 2.26 g/L, the total loading amount of the silica gel to be 0.81 mg/g and the temperature to be 25℃.

优化后的柱层析操作条件为：选用100～200目的硅胶，二氯甲烷：乙酸乙酯：乙醇=80：35：5为洗脱剂，流速为2.0 mL／min，普那霉素的进样浓度为2.26g／L，硅胶的总负载量约为0.81 mg／g，温度为25℃。

The parameters Euler's number and region area are chosen as characteristic values to built the fault module identification tree for the sake of auto-identification of several ordinary faults.

PCB光板缺陷检测中，根据PCB光板图像和缺陷的特点，选用了最大熵阈值分割算法对图像进行二值化处理，并以欧拉数和区域面积为特征值，建立缺陷模式识别树，实现常见几种缺陷的自动识别。

This article is to reveal the law of development of world eurythmics that changed so quickly, and to find out the weak points and essential problems that hide in the serial actions of national Rhythmic and that prevent gymnasts to from winning scores in delivering difficult actions and special artistic quality.

本文研究的目的是，揭示世界艺术体操飞速发展的规律，寻找我国艺术体操在成套动作的构成中难度价值与特殊艺术性加分等指标选用方面的薄弱因素和实质问题。

London, UK – October 8, 2008. Ex Libris Group is pleased to announce that the SOLO one-stop search and delivery solution, powered by Ex Libris' Primo, has gone live at Oxford University.

鼎盛公司很高兴在此宣布一项最新消息，以 One-stop 理念提供检索与递送服务的英国牛津大学图书馆线上检索系统（SOLO， Search Oxford Libraries Online）选用Ex Libris公司Primo产品。

The design of field electric executer based on CAN bus is given,which uses AT89C51 as the control chip.The sys-tem is composed of signal acquisition module,motor driver module,communication module,power module and so on,and re-alizes local PID control and digital communication.

在基地式CAN总线电动执行器的设计中选用AT89C51为控制核心，该系统主要由信号采集模块、电机驱动模块、CAN通信模块、电源模块及键盘显示等部分构成，实现现场的PID控制及数字通信功能。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。